PRODUCTION OF FULLERENES AND DEVICE THEREFOR

PRODUCTION OF FULLERENES AND DEVICE THEREFOR

PURPOSE:To continuously and efficiently produce fullerenes for a long time by continuously switching the polarities of the carbonaceous electrode rods as a carbon source at regular time intervals and generating a DC arc discharge and to provide the device therefor. CONSTITUTION:A switching device 10...

Ausführliche Beschreibung

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Bibliographische Detailangaben
1. Verfasser: YOSHII TAIJI
Format: Patent
Sprache:eng
Schlagworte:
CHEMISTRY
COMPOUNDS THEREOF
INORGANIC CHEMISTRY
METALLURGY
NON-METALLIC ELEMENTS
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Beschreibung
Zusammenfassung:PURPOSE:To continuously and efficiently produce fullerenes for a long time by continuously switching the polarities of the carbonaceous electrode rods as a carbon source at regular time intervals and generating a DC arc discharge and to provide the device therefor. CONSTITUTION:A switching device 10 is actuated in a heating chamber 1 provided with an evacuating pipe 2 and a gaseous helium inlet pipe 3, a current is applied from a DC power source 11, an arc discharge is generated between the carbon electrode rods 4 and 5 formed with a crystalline graphitic material having